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Lavacchi D, Polvani S, Taddei A, Scolari F, Messerini L, Caliman E, Moraldi L, Guidolin A, Grazi GL, Galli A, Pillozzi S, Antonuzzo L. KRAS-related miR-143 expression is associated with lymph node involvement and correlates with outcome in pancreatic adenocarcinoma patients. Front Oncol 2023; 13:1295936. [PMID: 38130990 PMCID: PMC10735715 DOI: 10.3389/fonc.2023.1295936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Introduction Pancreatic adenocarcinoma (PC) is one of the most lethal malignancies; even after resection the patients' 5-year disease-free survival (DFS) is lower than 26%. The genetic mutational landscape of PC is dominated by activating KRAS mutations, that have been reported in approximately 90% of cases; however, beyond KRAS - direct mutations, several KRAS-targeting miRNAs appear to be downregulated, strengthening the already activated RAS signaling. In addition, the interplay between miRNAs and RAS includes poorly investigated downstream miRNAs. The aim of this study was to determine the prognostic value of some of these candidate KRAS-related miRNAs. Patients and methods Between 2015 and 2022, 44 patients with pathologically confirmed PC, who received surgery and were enrolled by the Clinical Oncology Unit, Careggi University Hospital, Florence (Italy). PC Total RNA was extracted from FFPE sections, retro-transcribed and the resulting cDNA was then used for qPCR analysis. A panel of KRAS-related miRNA (miR-155, miR-206 and miR-143) was analyzed. Results In this observational study patients sex distribution was unequal with 34.1% being male and 65.9% female. The most frequent tumor localization was the head of the pancreas (65.9%) and the pathological stages were pT1-2 (45.5%), pT3 (54.5%), pN0 (22.7%), pN+ (77.3%). Adjuvant therapy was administered to 63.6% of patients; disease recurrence was observed in 69% of cases. Twenty-three patients, whose RNA was of adequate quality, were used in the mRNAs expression studies. When comparing the miRNA expression between PC and a pool of healthy tissues, miR-155 was overexpressed and miR-206 downregulated in PC, while miR-143 expression was unchanged. However, when categorized in low- and high- miR-143 expressing PC (according to the median value), high miR-143 was associated with nodal involvement (pN+) (p=0.029), who in turn was linked with shorter DFS (p=0.009) and overall survival (OS) (p=0.021) compared to pN0. A trend toward inferior DFS was observed for higher expression of miR-206 (p=0.095) and miR-143 (p=0.092). Finally, responders to a first-line treatment for advanced disease had miR-155 overexpressed (p=0.048). Conclusions miRNAs are involved in PC tumorigenesis and metastatic spread. In light of miR-143 association with lymphatic spread and poor prognosis, a comprehensive analysis of miRNA interplay with KRAS deserves further investigation.
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Affiliation(s)
- Daniele Lavacchi
- Clinical Oncology Unit, Careggi University Hospital, Florence, Italy
| | - Simone Polvani
- Department of Clinical and Experimental Biomedical Sciences “Mario Serio”, University of Florence, Florence, Italy
| | - Antonio Taddei
- HPB Surgery Unit, Careggi University Hospital, Florence, Italy
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Federico Scolari
- Department of Health Sciences, University of Florence, Florence, Italy
| | - Luca Messerini
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Enrico Caliman
- Clinical Oncology Unit, Careggi University Hospital, Florence, Italy
| | - Luca Moraldi
- HPB Surgery Unit, Careggi University Hospital, Florence, Italy
| | - Alessia Guidolin
- Clinical Oncology Unit, Careggi University Hospital, Florence, Italy
| | - Gian Luca Grazi
- HPB Surgery Unit, Careggi University Hospital, Florence, Italy
| | - Andrea Galli
- Department of Clinical and Experimental Biomedical Sciences “Mario Serio”, University of Florence, Florence, Italy
| | - Serena Pillozzi
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
| | - Lorenzo Antonuzzo
- Clinical Oncology Unit, Careggi University Hospital, Florence, Italy
- Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
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Marangoni K, Dorneles G, da Silva DM, Pinto LP, Rossoni C, Fernandes SA. Diet as an epigenetic factor in inflammatory bowel disease. World J Gastroenterol 2023; 29:5618-5629. [PMID: 38077158 PMCID: PMC10701328 DOI: 10.3748/wjg.v29.i41.5618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 09/24/2023] [Accepted: 10/25/2023] [Indexed: 11/07/2023] Open
Abstract
Inflammatory bowel disease (IBD) has as a main characteristic the exacerbation of the immune system against enterocytes, compromising the individual's intestinal microbiota. This inflammatory cascade causes several nutritional deficiencies, which further compromise immunological functioning and, as a result, worsen the prognosis. This vicious cycle can be interrupted as the patient's dietary pattern meets their needs according to their clinical condition, acting directly on the inflammatory process of IBD through the interaction of food, intestinal microbiota, and epigenome. Specific nutritional intervention for IBD has a crucial role in preventing and managing disease activity. This review addresses epigenetic modifications through dietary compounds as a mechanism for modulating the intestinal microbiota of patients with IBD.
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Affiliation(s)
- Karina Marangoni
- Egas Moniz School of Health and Science, Caparica - Almada, Portugal, Caparica 2820-062, Portugal
- National Institute of Sciences and Technology - Theranostics and Nanobiotechnology, Federal University of Uberlandia - MG, Brazil, Uberlândia 38400-902, Brazil
| | - Gilson Dorneles
- Corporate Social Responsibility, Hospital Moinhos de Vento, Porto Alegre 90035-004, Brazil
| | - Daniella Miranda da Silva
- Postgraduate Program in Gastroenterology, Universidade Federal do Rio Grande do Sul, Porto Alegre 91540-000, Brazil
- Department of Nutrition, Uniasselvi - Group Vitru, Santa Catarina 89082-262, Brazil
| | - Letícia Pereira Pinto
- Postgraduate Program in Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre 90050-170, Brazil
| | - Carina Rossoni
- Faculty of Medicine, Institute of Environmental Health, University of Lisbon, Lisboa 1649-026, Portugal
- Master in Physical Activity and Health, Polytechnic Institute of Beja, Beja 7800-000, Portugal
- Degree in Nutrition Sciences, Lusófona University, Lisboa 1749-024, Portugal
| | - Sabrina Alves Fernandes
- Postgraduate Program in Hepatology, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre 90050-170, Brazil
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XIANG Y, JIANG B, ZHONG S, WU Y, LIU J, WANG Z, WU Y. Protective effect of five-flavor sophora flavescens enteric-coated capsules on inflammatory bowel disease and its molecular mechanism. FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.125522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
Affiliation(s)
- Yanru XIANG
- The First Affiliated Hospital of Nanchang University, China
| | - Bing JIANG
- Gansu University of Traditional Chinese Medicine, China
| | | | - Yinglin WU
- The First Affiliated Hospital of Nanchang University, China
| | - Jiaqi LIU
- The First Affiliated Hospital of Nanchang University, China
| | - Zhizhi WANG
- The First Affiliated Hospital of Nanchang University, China
| | - Yan WU
- The First Affiliated Hospital of Nanchang University, China
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Ayeni AA, Waterland P, Evans M, Singhal S, Patel RK, Akingboye A. Case Report: Multiple colorectal cancers in a patient with Ulcerative colitis and Lynch syndrome: Is there a role for prophylactic colectomy? A short report and review of literature. Front Oncol 2022; 12:1031606. [PMID: 36620534 PMCID: PMC9815500 DOI: 10.3389/fonc.2022.1031606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 11/24/2022] [Indexed: 12/24/2022] Open
Abstract
It is a known fact that Lynch syndrome (LS) and Ulcerative colitis (UC) are individually associated with increased risk of colorectal cancer. While there is no conclusive evidence to demonstrate a cumulative risk when these two conditions coexist, available data suggest early onset and synchronous cancers are synonymous to this group. We have reported an unusual case of multiple synchronous colorectal cancers in a young man with ulcerative colitis and Lynch syndrome also known as Hereditary Nonpolyposis Colorectal Cancer (HNPCC) gene mutation. We propose that conducting a detailed genetic mutation profile in LS patients may play a key role in guiding the intensity of endoscopic surveillance and that a concerted, pragmatic, patient guided approach should be adopted on the subject of prophylactic colectomy when UC and LS co-exist.
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Affiliation(s)
- Adewale Adeoba Ayeni
- Department of General Surgery, The Dudley Group Foundation NHS Trust, Russells Hall Hospital, Dudley, West Midlands
| | - Peter Waterland
- Department of General Surgery, The Dudley Group Foundation NHS Trust, Russells Hall Hospital, Dudley, West Midlands
| | - Matthew Evans
- Department of Pathology, New Cross Hospital, Wolverhampton, United Kingdom
| | - Shika Singhal
- Department of Pathology, New Cross Hospital, Wolverhampton, United Kingdom
| | - Rajan Kumar Patel
- Department of General Surgery, The Dudley Group Foundation NHS Trust, Russells Hall Hospital, Dudley, West Midlands
| | - Akinfemi Akingboye
- Department of General Surgery, The Dudley Group Foundation NHS Trust, Russells Hall Hospital, Dudley, West Midlands,*Correspondence: Akinfemi Akingboye,
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Akhtarkhavari T, Bahrami AR, M Matin M. Downregulation of miR-21 as a promising strategy to overcome drug resistance in cancer. Eur J Pharmacol 2022; 932:175233. [PMID: 36038011 DOI: 10.1016/j.ejphar.2022.175233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 08/09/2022] [Accepted: 08/22/2022] [Indexed: 11/30/2022]
Abstract
Despite tremendous achievements in the field of targeted cancer therapy, chemotherapy is still the main treatment option, which is challenged by acquired drug resistance. Various microRNAs are involved in developing drug-resistant cells. miR-21 is one of the first identified miRNAs involved in this process. Here, we conducted a literature review to categorize different mechanisms employed by miR-21 to drive drug resistance. miR-21 targets various genes involved in many pathways that can justify chemoresistance. It alters cancer cell metabolism and facilitates adaptation to the new environment. It also enhances drug detoxification in cancerous cells and increases genomic instability. We also summarized various strategies applied for the inhibition of miR-21 in order to reverse cancer drug resistance. These strategies include the delivery of antagomiRs, miRZip knockdown vectors, inhibitory small molecules, CRISPR-Cas9 technology, catalytic nucleic acids, artificial DNA and RNA sponges, and nanostructures like mesoporous silica nanoparticles, dendrimers, and exosomes. Furthermore, current challenges and limitations in targeting miR-21 are discussed in this article. Although huge progress has been made in the downregulation of miR-21 in drug-resistant cancer cells, there are still many challenges to be resolved. More research is still required to find the best strategy and timeline for the downregulation of miR-21 and also the most feasible approach for the delivery of this system into the tumor cells. In conclusion, downregulation of miR-21 would be a promising strategy to reverse chemoresistance, but still, more studies are required to clarify the aforementioned issues.
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Affiliation(s)
- Tara Akhtarkhavari
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Ahmad Reza Bahrami
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran; Industrial Biotechnology Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Maryam M Matin
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran; Novel Diagnostics and Therapeutics Research Group, Institute of Biotechnology, Ferdowsi University of Mashhad, Mashhad, Iran; Stem Cell and Regenerative Medicine Research Group, Academic Center for Education, Culture and Research (ACECR)-Khorasan Razavi, Mashhad, Iran.
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Kudelova E, Holubekova V, Grendar M, Kolkova Z, Samec M, Vanova B, Mikolajcik P, Smolar M, Kudela E, Laca L, Lasabova Z. Circulating miRNA expression over the course of colorectal cancer treatment. Oncol Lett 2021; 23:18. [PMID: 34868358 PMCID: PMC8630815 DOI: 10.3892/ol.2021.13136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 07/20/2021] [Indexed: 11/06/2022] Open
Abstract
Colorectal cancer (CRC) is the third-most common cancer type in males and the second-most common cancer type in females, and has the second-highest overall mortality rate worldwide. Approximately 50% of patients in stage I–III develop metastases, mostly localized to the liver. All physiological conditions occurring in the organism are also reflected in the levels of circulating microRNAs (miRNAs/miRs) in patients. miRNAs are a class of small, non-coding, single-stranded RNAs consisting of 18–25 nucleotides, which have important roles in various cellular processes. The aim of the present study was to evaluate a panel of seven circulating miRNAs (miR-106a-5p, miR-210-5p, miR-155-5p, miR-21-5p, miR-103a-3p, miR-191-5p and miR-16-5p) as biomarkers for monitoring patients undergoing adjuvant treatment of CRC. Total RNA was extracted from the plasma of patients with CRC prior to surgery, in the early post-operative period (n=60) and 3 months after surgery (n=14). The levels of the selected circulating miRNAs were measured with the miRCURY LNA miRNA PCR system and fold changes were calculated using the standard ∆∆Cq method. DIANA-miRPath analysis was used to evaluate the role of significantly deregulated miRNAs. The results indicated significant upregulation of miR-155-5p, miR-21-5p and miR-191-5p, and downregulation of miR-16-5p directly after the surgery. In paired follow-up samples, the most significant upregulation was detected for miR-106a-5p and miR-16-5p, and the most significant downregulation was for miR-21-5p. Pathway analysis outlined the role of the differentially expressed miRNAs in cancer development, but the same pathways are also involved in wound healing and regeneration of intestinal epithelium. It may be suggested that these processes should also be considered in studies investigating sensitive and easily detectable circulating biomarkers for recurrence in patients.
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Affiliation(s)
- Eva Kudelova
- Clinic of Surgery and Transplant Center, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Veronika Holubekova
- Biomedical Center in Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Marian Grendar
- Biomedical Center in Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Zuzana Kolkova
- Biomedical Center in Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Marek Samec
- Clinic of Gynecology and Obstetrics, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Barbora Vanova
- Biomedical Center in Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Peter Mikolajcik
- Clinic of Surgery and Transplant Center, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Marek Smolar
- Clinic of Surgery and Transplant Center, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Erik Kudela
- Clinic of Gynecology and Obstetrics, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Ludovit Laca
- Clinic of Surgery and Transplant Center, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
| | - Zora Lasabova
- Department of Molecular Biology and Genomics, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin SK-03601, Slovak Republic
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MiR-137 Targets the 3' Untranslated Region of MSH2: Potential Implications in Lynch Syndrome-Related Colorectal Cancer. Cancers (Basel) 2021; 13:cancers13184662. [PMID: 34572889 PMCID: PMC8470766 DOI: 10.3390/cancers13184662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 09/13/2021] [Accepted: 09/15/2021] [Indexed: 11/17/2022] Open
Abstract
Mismatch Repair (MMR) gene dysregulation plays a fundamental role in Lynch Syndrome (LS) pathogenesis, a form of hereditary colorectal cancer. Loss or overexpression of key MMR genes leads to genome instability and tumorigenesis; however, the mechanisms controlling MMR gene expression are unknown. One such gene, MSH2, exerts an important role, not only in MMR, but also in cell proliferation, apoptosis, and cell cycle control. In this study, we explored the functions and underlying molecular mechanisms of increased MSH2 expression related to a c.*226A>G variant in the 3'untranslated (UTR) region of MSH2 that had been previously identified in a subject clinically suspected of LS. Bioinformatics identified a putative binding site for miR-137 in this region. To verify miRNA targeting specificity, we performed luciferase gene reporter assays using a MSH2 3'UTR psiCHECK-2 vector in human SW480 cells over-expressing miR-137, which showed a drastic reduction in luciferase activity (p > 0.0001). This effect was abolished by site-directed mutagenesis of the putative miR-137 seed site. Moreover, in these cells we observed that miR-137 levels were inversely correlated with MSH2 expression levels. These results were confirmed by results in normal and tumoral tissues from the patient carrying the 3'UTR c.*226A>G variant in MSH2. Finally, miR-137 overexpression in SW480 cells significantly suppressed cell proliferation in a time- and dose-dependent manner (p < 0.0001), supporting a role for MSH2 in apoptosis and cell proliferation processes. Our findings suggest miR-137 helps control MSH2 expression via its 3'UTR and that dysregulation of this mechanism appears to promote tumorigenesis in colon cells.
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Bocchetti M, Ferraro MG, Ricciardiello F, Ottaiano A, Luce A, Cossu AM, Scrima M, Leung WY, Abate M, Stiuso P, Caraglia M, Zappavigna S, Yau TO. The Role of microRNAs in Development of Colitis-Associated Colorectal Cancer. Int J Mol Sci 2021; 22:ijms22083967. [PMID: 33921348 PMCID: PMC8068787 DOI: 10.3390/ijms22083967] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/01/2021] [Accepted: 04/08/2021] [Indexed: 12/13/2022] Open
Abstract
Colorectal cancer (CRC) is the third most deadly cancer worldwide, and inflammatory bowel disease (IBD) is one of the critical factors in CRC carcinogenesis. IBD is responsible for an unphysiological and sustained chronic inflammation environment favoring the transformation. MicroRNAs (miRNAs) belong to a class of highly conserved short single-stranded segments (18-25 nucleotides) non-coding RNA and have been extensively discussed in both CRC and IBD. However, the role of miRNAs in the development of colitis-associated CRC (CAC) is less clear. The aim of this review is to summarize the major upregulated (miR-18a, miR-19a, miR-21, miR-31, miR-155 and miR-214) and downregulated (miR-124, miR-193a-3p and miR-139-5p) miRNAs in CAC, and their roles in genes' expression modulation in chronic colonic-inflammation-induced carcinogenesis, including programmed cell-death pathways. These miRNAs dysregulation could be applied for early CAC diagnosis, to predict therapy efficacy and for precision treatment.
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Affiliation(s)
- Marco Bocchetti
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy; (M.B.); (A.L.); (A.M.C.); (M.A.); (P.S.); (M.C.)
- Biogem Scarl, Molecular Oncology and Precision Medicine Laboratory, via Camporeale, 83031 Ariano Irpino, Italy;
| | - Maria Grazia Ferraro
- Department of Pharmacy, School of Medicine and Surgery, University of Naples “Federico II”, via D. Montesano 49, 80131 Naples, Italy;
| | | | - Alessandro Ottaiano
- SSD-Innovative Therapies for Abdominal Metastases, Istituto Nazionale Tumori di Napoli, IRCCS “G. Pascale”, via M. Semmola, 80131 Naples, Italy;
| | - Amalia Luce
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy; (M.B.); (A.L.); (A.M.C.); (M.A.); (P.S.); (M.C.)
- School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK
| | - Alessia Maria Cossu
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy; (M.B.); (A.L.); (A.M.C.); (M.A.); (P.S.); (M.C.)
- Biogem Scarl, Molecular Oncology and Precision Medicine Laboratory, via Camporeale, 83031 Ariano Irpino, Italy;
| | - Marianna Scrima
- Biogem Scarl, Molecular Oncology and Precision Medicine Laboratory, via Camporeale, 83031 Ariano Irpino, Italy;
| | - Wing-Yan Leung
- Division of Haematology, Department of Medicine, The University of Hong Kong, Hong Kong, China;
| | - Marianna Abate
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy; (M.B.); (A.L.); (A.M.C.); (M.A.); (P.S.); (M.C.)
| | - Paola Stiuso
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy; (M.B.); (A.L.); (A.M.C.); (M.A.); (P.S.); (M.C.)
| | - Michele Caraglia
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy; (M.B.); (A.L.); (A.M.C.); (M.A.); (P.S.); (M.C.)
- Biogem Scarl, Molecular Oncology and Precision Medicine Laboratory, via Camporeale, 83031 Ariano Irpino, Italy;
| | - Silvia Zappavigna
- Department of Precision Medicine, University of Campania “Luigi Vanvitelli”, 80131 Naples, Italy; (M.B.); (A.L.); (A.M.C.); (M.A.); (P.S.); (M.C.)
- Correspondence: (S.Z.); (T.O.Y.)
| | - Tung On Yau
- John van Geest Cancer Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham NG11 8NS, UK
- Correspondence: (S.Z.); (T.O.Y.)
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Malham M, James JP, Jakobsen C, Hoegdall E, Holmstroem K, Wewer V, Nielsen BS, Riis LB. Mucosal microRNAs relate to age and severity of disease in ulcerative colitis. Aging (Albany NY) 2021; 13:6359-6374. [PMID: 33647883 PMCID: PMC7993741 DOI: 10.18632/aging.202715] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 01/25/2021] [Indexed: 12/12/2022]
Abstract
Despite significant evidence that the expression of several microRNAs (miRNAs) impacts disease activity in patients with ulcerative colitis (UC), it remains unknown if the more severe disease phenotype seen in pediatric onset UC can be explained by an altered miRNA expression. In this study, we assessed the relationship between miRNA expression, age, and disease severity in pediatric and adult patients with UC. Using RT-qPCR, we analyzed the expression of miR-21, miR-31, miR-126, miR-142 and miR-155 in paraffin embedded rectum biopsies from 30 pediatric and 30 adult-onset UC patients. We found that lesions from adult patients had significantly higher expression levels of miR-21 compared to pediatric patients and that the expression levels of miR-31 (all patients) and miR-155 (pediatric patients only) correlated inversely with histological assessed disease severity. Using in situ hybridization followed by image analysis, the expression level estimates of miR-21 and miR-126 correlated with histological assessed disease severity. In conclusion, we found that the expression of miRNAs depends on the age of the patient and/or the severity of the disease, suggesting that miRNAs may contribute to the regulation of inflammation in UC and could be useful biomarkers in the surveillance of disease severity.
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Affiliation(s)
- Mikkel Malham
- The Pediatric Department, Copenhagen University Hospital, Hvidovre 2650, Denmark.,The Pediatric Department, Holbaek Hospital, Holbaek 4300, Denmark
| | - Jaslin P James
- Department of Pathology, Copenhagen University Hospital, Herlev 2730, Denmark.,Biomedical Technology, Bioneer A/S, Hoersholm 2970, Denmark
| | - Christian Jakobsen
- The Pediatric Department, Copenhagen University Hospital, Hvidovre 2650, Denmark
| | - Estrid Hoegdall
- Department of Pathology, Copenhagen University Hospital, Herlev 2730, Denmark
| | - Kim Holmstroem
- Biomedical Technology, Bioneer A/S, Hoersholm 2970, Denmark
| | - Vibeke Wewer
- The Pediatric Department, Copenhagen University Hospital, Hvidovre 2650, Denmark
| | - Boye S Nielsen
- Biomedical Technology, Bioneer A/S, Hoersholm 2970, Denmark
| | - Lene B Riis
- Department of Pathology, Copenhagen University Hospital, Herlev 2730, Denmark
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Diaz-Garrido N, Cordero C, Olivo-Martinez Y, Badia J, Baldomà L. Cell-to-Cell Communication by Host-Released Extracellular Vesicles in the Gut: Implications in Health and Disease. Int J Mol Sci 2021; 22:ijms22042213. [PMID: 33672304 PMCID: PMC7927122 DOI: 10.3390/ijms22042213] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/17/2021] [Accepted: 02/19/2021] [Indexed: 12/12/2022] Open
Abstract
Communication between cells is crucial to preserve body homeostasis and health. Tightly controlled intercellular dialog is particularly relevant in the gut, where cells of the intestinal mucosa are constantly exposed to millions of microbes that have great impact on intestinal homeostasis by controlling barrier and immune functions. Recent knowledge involves extracellular vesicles (EVs) as mediators of such communication by transferring messenger bioactive molecules including proteins, lipids, and miRNAs between cells and tissues. The specific functions of EVs principally depend on the internal cargo, which upon delivery to target cells trigger signal events that modulate cellular functions. The vesicular cargo is greatly influenced by genetic, pathological, and environmental factors. This finding provides the basis for investigating potential clinical applications of EVs as therapeutic targets or diagnostic biomarkers. Here, we review current knowledge on the biogenesis and cargo composition of EVs in general terms. We then focus the attention to EVs released by cells of the intestinal mucosa and their impact on intestinal homeostasis in health and disease. We specifically highlight their role on epithelial barrier integrity, wound healing of epithelial cells, immunity, and microbiota shaping. Microbiota-derived EVs are not reviewed here.
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Affiliation(s)
- Natalia Diaz-Garrido
- Secció de Bioquímica i Biología Molecular, Departament de Bioquímica i Fisiologia, Facultat de Farmàcia i Ciències de l’Alimentació, Universitat de Barcelona, 08028 Barcelona, Spain; (N.D.-G.); (C.C.); (Y.O.-M.); (J.B.)
- Institut de Biomedicina de la Universitat de Barcelona (IBUB), Institut de Recerca Sant Joan de Déu (IRSJD), 08950 Barcelona, Spain
| | - Cecilia Cordero
- Secció de Bioquímica i Biología Molecular, Departament de Bioquímica i Fisiologia, Facultat de Farmàcia i Ciències de l’Alimentació, Universitat de Barcelona, 08028 Barcelona, Spain; (N.D.-G.); (C.C.); (Y.O.-M.); (J.B.)
- Institut de Biomedicina de la Universitat de Barcelona (IBUB), Institut de Recerca Sant Joan de Déu (IRSJD), 08950 Barcelona, Spain
| | - Yenifer Olivo-Martinez
- Secció de Bioquímica i Biología Molecular, Departament de Bioquímica i Fisiologia, Facultat de Farmàcia i Ciències de l’Alimentació, Universitat de Barcelona, 08028 Barcelona, Spain; (N.D.-G.); (C.C.); (Y.O.-M.); (J.B.)
- Institut de Biomedicina de la Universitat de Barcelona (IBUB), Institut de Recerca Sant Joan de Déu (IRSJD), 08950 Barcelona, Spain
| | - Josefa Badia
- Secció de Bioquímica i Biología Molecular, Departament de Bioquímica i Fisiologia, Facultat de Farmàcia i Ciències de l’Alimentació, Universitat de Barcelona, 08028 Barcelona, Spain; (N.D.-G.); (C.C.); (Y.O.-M.); (J.B.)
- Institut de Biomedicina de la Universitat de Barcelona (IBUB), Institut de Recerca Sant Joan de Déu (IRSJD), 08950 Barcelona, Spain
| | - Laura Baldomà
- Secció de Bioquímica i Biología Molecular, Departament de Bioquímica i Fisiologia, Facultat de Farmàcia i Ciències de l’Alimentació, Universitat de Barcelona, 08028 Barcelona, Spain; (N.D.-G.); (C.C.); (Y.O.-M.); (J.B.)
- Institut de Biomedicina de la Universitat de Barcelona (IBUB), Institut de Recerca Sant Joan de Déu (IRSJD), 08950 Barcelona, Spain
- Correspondence: ; Tel.: +34-93-403-44-96
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11
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MSH2 Overexpression Due to an Unclassified Variant in 3'-Untranslated Region in a Patient with Colon Cancer. Biomedicines 2020; 8:biomedicines8060167. [PMID: 32575404 PMCID: PMC7345785 DOI: 10.3390/biomedicines8060167] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 06/14/2020] [Accepted: 06/16/2020] [Indexed: 02/06/2023] Open
Abstract
Background: The loss or low expression of DNA mismatch repair (MMR) genes can result in genomic instability and tumorigenesis. One such gene, MSH2, is mutated or rearranged in Lynch syndrome (LS), which is characterized by a high risk of tumor development, including colorectal cancer. However, many variants identified in this gene are often defined as variants of uncertain significance (VUS). In this study, we selected a variant in the 3′ untranslated region (UTR) of MSH2 (c*226A > G), identified in three affected members of a LS family and already reported in the literature as a VUS. Methods: The effect of this variant on the activity of the MMR complex was examined using a set of functional assays to evaluate MSH2 expression. Results: We found MSH2 was overexpressed compared to healthy controls, as determined by RTqPCR and Western blot analyses of total RNA and proteins, respectively, extracted from peripheral blood samples. These results were confirmed by luciferase reporter gene assays. Conclusions: We therefore speculated that, in addition to canonical inactivation via a gene mutation, MMR activity may also be modulated by changes in MMR gene expression.
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12
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Wen X, Liu S, Sheng J, Cui M. Recent advances in the contribution of noncoding RNAs to cisplatin resistance in cervical cancer. PeerJ 2020; 8:e9234. [PMID: 32523813 PMCID: PMC7263300 DOI: 10.7717/peerj.9234] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 05/04/2020] [Indexed: 12/11/2022] Open
Abstract
Cervical cancer (CC) remains a major disease burden on the female population worldwide. Chemotherapy with cisplatin (cis-diamminedichloroplatinum (II); CDDP) and related drugs are the main treatment option for CC; however, their efficacy is limited by the development of drug resistance. Noncoding RNAs (ncRNAs) have been found to play critical roles in numerous physiological and pathological cellular processes, including drug resistance of cancer cells. In this review, we describe some of the ncRNAs, including miRNAs, lncRNAs and circRNAs, that are involved in the sensitivity/resistance of CC to CDDP-based chemotherapy and discuss their mechanisms of action. We also describe some ncRNAs that could be therapeutic targets to improve the sensitivity of CC to CDDP-based chemotherapy.
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Affiliation(s)
- Xin Wen
- The Second Hospital of Jilin University, Jilin University, Changchun, Jilin Province, China
| | - Shui Liu
- The Second Hospital of Jilin University, Jilin University, Changchun, Jilin Province, China
| | - Jiyao Sheng
- The Second Hospital of Jilin University, Jilin University, Changchun, Jilin Province, China
| | - Manhua Cui
- The Second Hospital of Jilin University, Jilin University, Changchun, Jilin Province, China
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13
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Zhu F, Li H, Liu Y, Tan C, Liu X, Fan H, Wu H, Dong Y, Yu T, Chu S, He H, Zhu X. miR-155 antagomir protect against DSS-induced colitis in mice through regulating Th17/Treg cell balance by Jarid2/Wnt/β-catenin. Biomed Pharmacother 2020; 126:109909. [PMID: 32135463 DOI: 10.1016/j.biopha.2020.109909] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 01/16/2020] [Accepted: 01/17/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Th subsets particularly T helper 17 and regulatory T cells play a critical role in immune balance in colonic mucosa of Inflammatory Bowel Disease. Recent studies have indicated miR-155 is overexpressed in the colonic mucosa in IBD patients. Thus, whether and how miR-155 influences Th17/Treg cell balance in IBD patients is worthy of researching. METHODS We divided mice into four groups: the mice oral administration of 3.0 % DSS in fresh drinking water for 7 days except normal group. In this period, starting from the fifth day, the miR-155 and NC antagomir group were carried out by intraperitoneal injection of miR-155 antagomirs and corresponding negative controls. In vitro, we isolated naïve CD4+T cells and divided into two groups: the cells were transfected with mmu-miR-155-5p inhibitor or corresponding negative controls and then induced differentiation. RESULTS We found miR-155 antagomir can reach colon tissues in DSS-induced colitis and indeed ameliorated DSS-induced experimental colitis. Subsequently, we proved the levels of Th17 cells in spleens and Mesenteric lymph nodes and its associated IL-6, IL-17A and RORγt in colonic tissues were dramatically decreased and TGF-β1 raised in DSS + miR-155 antagomir group. However, miR-155 antagomir significantly increased the expression of Tregs. In vitro, we found miR-155 inhibitor could improve the Tregs but decrease Th17 cells. Finally, we dig out that Jarid2 was apparently improved by miR-155 antagomir, Wnt/β-catenin and its associated T cell factor-4 (TCF-4) and Cyclin D1 expression were positively correlated with Jarid2. CONCLUSION Silencing of miR-155 attenuates DSS-induced colitis by regulating Th17/Treg cell balance and Jarid2/Wnt/β-catenin participated in the process.
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Affiliation(s)
- Feng Zhu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Huarong Li
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yujin Liu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Chen Tan
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xingxing Liu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Heng Fan
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Hui Wu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yalan Dong
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Ting Yu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Si Chu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Hongxia He
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiwen Zhu
- Department of Integrated Traditional Chinese and Western Medicine, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
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14
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Boxberger N, Hecker M, Zettl UK. Dysregulation of Inflammasome Priming and Activation by MicroRNAs in Human Immune-Mediated Diseases. THE JOURNAL OF IMMUNOLOGY 2019; 202:2177-2187. [PMID: 30962309 DOI: 10.4049/jimmunol.1801416] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 12/19/2018] [Indexed: 12/13/2022]
Abstract
Inflammasomes are protein complexes that respond to a wide range of pathogens and cellular damage signals. Their activation prompts the caspase-1-mediated cleavage of the proinflammatory cytokines IL-1β and IL-18. Inflammasome dysregulation has been demonstrated to play a role in a range of diseases involving the adaptive immune system like multiple sclerosis, rheumatic diseases, and type 1 diabetes. Priming and activation of inflammasomes can be modulated by microRNAs (miRNAs), small noncoding RNAs that regulate gene expression posttranscriptionally. miRNAs, such as miR-223-3p, have been demonstrated to directly target the inflammasome components NLRP3, caspase-1, and caspase-8. Other miRNAs like miR-155-5p modulate TLR-, IL-1R-, TNFR-, and IFNAR-mediated signaling pathways upstream of the inflammasomes. In this study, we discuss how a more detailed elucidation of miRNA-driven inflammasome regulation helps in understanding the molecular processes underlying immune-mediated human diseases, holds potential for the identification of biomarkers and may offer novel targets for the development of future therapeutics.
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Affiliation(s)
- Nina Boxberger
- Division of Neuroimmunology, Department of Neurology, University of Rostock, 18147 Rostock, Germany; and
| | - Michael Hecker
- Division of Neuroimmunology, Department of Neurology, University of Rostock, 18147 Rostock, Germany; and.,Steinbeis Transfer Center for Proteome Analysis, 18057 Rostock, Germany
| | - Uwe K Zettl
- Division of Neuroimmunology, Department of Neurology, University of Rostock, 18147 Rostock, Germany; and
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15
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Regulation of MicroRNA-155 and Its Related Genes Expression by Inositol Hexaphosphate in Colon Cancer Cells. Molecules 2019; 24:molecules24224153. [PMID: 31744065 PMCID: PMC6891702 DOI: 10.3390/molecules24224153] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/06/2019] [Accepted: 11/14/2019] [Indexed: 12/12/2022] Open
Abstract
Inositol hexaphosphate (IP6), a natural dietary component, has been found as an antitumor agent by stimulating apoptosis and inhibiting cancer cell proliferation, their migration, and metastasis in diverse cancers including colon cancer. However, molecular mechanisms of its action have not been well understood. In recent years, microRNAs (miRNAs) have been reported to play important roles in a broad range of biologic processes, such as cell growth, proliferation, apoptosis, or autophagy. These small noncoding molecules regulate post-transcriptional expression of targets genes via degradation of transcript or inhibition of protein synthesis. Aberrant expression and/or dysregulation of miRNAs have been characterized during tumor development and progression, thus, they are potential molecular targets for cancer prevention. The aim of this study was to investigate the effect of IP6 on the miRNAs expression profile in Caco-2 colon cancer cells. 84 miRNAs were analyzed in Caco-2 cells treated with 2.5 mM and 5 mM IP6 by the use of PCR (Polymerase Chain Reaction) array. The effect of 5 mM IP6 on selected potential miR-155 targets was determined by real-time (RT)-qPCR and ELISA (quantitative Polymerase Chain Reaction and Enzyme-Linked Immunosorbent Assay )method. The results indicated alteration in the specific 10 miRNA expression in human colon cancer cells following their treatment with 5 mM IP6. It down-regulated 8 miRNAs (miR-155, miR-210, miR-144, miR-194, miR-26b, miR-126, miR-302c, and miR-29a) and up-regulated 2 miRNAs (miR-223 and miR-196b). In silico analysis revealed that FOXO3a, HIF-1α, and ELK3 mRNAs are those of predicted targets of miR-155. IP6 at the concentration of 5 mM markedly induced FOXO3a and HIF-1a genes’ expression at both mRNA and protein level and decreased the amount of ELK3 mRNA as well as protein concentration in comparison to the control. In conclusion, the present study indicates that one of the mechanisms of antitumor potential of IP6 is down-regulation of the miR-155 expression in human colon cancer cells. Moreover, the expression of genes that are targeted by miRNA are also modulated by IP6.
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16
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Lu Q, Wu R, Zhao M, Garcia-Gomez A, Ballestar E. miRNAs as Therapeutic Targets in Inflammatory Disease. Trends Pharmacol Sci 2019; 40:853-865. [PMID: 31662207 DOI: 10.1016/j.tips.2019.09.007] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 09/10/2019] [Accepted: 09/13/2019] [Indexed: 12/30/2022]
Abstract
In the past decade, we have witnessed considerable developments in understanding the roles and functions of miRNAs. In parallel, the identification of alterations in miRNA expression in inflammatory disease indicates their potential as therapeutic targets. Pharmacological treatments targeting abnormally expressed miRNAs for inflammatory diseases are not yet in clinical practice; however, some small compounds and nucleic acids targeting miRNAs have shown promise in preclinical development. Here, we focus on recent advances in understanding miRNA deregulation in inflammatory diseases and provide an overview of the current development of miRNA-based therapeutics in these diseases with an emphasis on newly discovered miRNA therapeutic targets.
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Affiliation(s)
- Qianjin Lu
- Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China.
| | - Ruifang Wu
- Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Ming Zhao
- Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Antonio Garcia-Gomez
- Epigenetics and Immune Disease Group, Josep Carreras Research Institute (IJC), 08916 Badalona, Barcelona, Spain
| | - Esteban Ballestar
- Epigenetics and Immune Disease Group, Josep Carreras Research Institute (IJC), 08916 Badalona, Barcelona, Spain.
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17
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Sun F, Liang W, Tang K, Hong M, Qian J. Profiling the lncRNA-miRNA-mRNA ceRNA network to reveal potential crosstalk between inflammatory bowel disease and colorectal cancer. PeerJ 2019; 7:e7451. [PMID: 31523496 PMCID: PMC6714963 DOI: 10.7717/peerj.7451] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2019] [Accepted: 07/10/2019] [Indexed: 12/20/2022] Open
Abstract
Background Because of the increasing dysplasia rate in the lifelong course of inflammatory bowel disease (IBD) patients, it is imperative to characterize the crosstalk between IBD and colorectal cancer (CRC). However, there have been no reports revealing the occurrence of the ceRNA network in IBD-related CRC. Methods In this study, we conducted gene expression profile studies of databases and performed an integrated analysis to detect the potential of lncRNA-miRNA-mRNA ceRNA in regulating disease transformation. R packages were used to screen differentially expressed mRNA, lncRNA and miRNA among CRC, IBD and normal tissue. The lncRNA-miRNA-mRNA network was constructed based on predicted miRNA-targeted lncRNAs and miRNA-targeted mRNAs. Functional analyses were then conducted to identify genes involved in the ceRNA network, and key lncRNAs were evaluated based on several clinical outcomes. Results A total of three lncRNAs, 15 miRNAs, and 138 mRNAs were identified as potential mediators in the pathophysiological processes of IBD-related CRC. Gene Ontology annotation enrichment analysis confirmed that the dysplasia process was strongly associated with immune response, response to lipopolysaccharide, and inflammatory response. Survival analysis showed that LINC01106 (HR = 1.7; p < 0.05) were strongly associated with overall survival of colorectal cancer patients. The current study identified a series of IBD-related mRNAs, miRNA, and lncRNAs, and highlighted the important role of ceRNAs in the pathogenesis of IBD-related CRC. Among them, the LINC01106-miRNA-mRNA axis was identified as vital targets for further research.
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Affiliation(s)
- Fangfang Sun
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Zhejiang University School of Medicine, Research Center of Infection and Immunity, ZJU-UCLA Joint Center for Medical Education and Research, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, Zhejiang, China
| | - Weiwei Liang
- Department of Endocrinology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Kejun Tang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Zhejiang University School of Medicine, Research Center of Infection and Immunity, ZJU-UCLA Joint Center for Medical Education and Research, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, Zhejiang, China
| | - Mengying Hong
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, China National Ministry of Education, Key Laboratory of Molecular Biology in Medical Sciences, Zhejiang Province, China), The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.,Zhejiang University School of Medicine, Research Center of Infection and Immunity, ZJU-UCLA Joint Center for Medical Education and Research, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, Zhejiang, China
| | - Jing Qian
- Zhejiang University School of Medicine, Research Center of Infection and Immunity, ZJU-UCLA Joint Center for Medical Education and Research, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Hangzhou, Zhejiang, China.,College of Pharmaceutical Sciences, Zhejiang University, Pharmaceutical Informatics Institute, Hangzhou, Zhejiang, China
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18
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Chao G, Li X, Ji Y, Zhu Y, Li N, Zhang N, Feng Z, Niu M. MiR-155 controls follicular Treg cell-mediated humoral autoimmune intestinal injury by inhibiting CTLA-4 expression. Int Immunopharmacol 2019; 71:267-276. [PMID: 30927737 DOI: 10.1016/j.intimp.2019.03.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 03/02/2019] [Accepted: 03/05/2019] [Indexed: 12/30/2022]
Abstract
High expression levels of miR-155 are involved in the pathogenesis of inflammatory bowel disease (IBD). We observed an increase in miR-155 in peripheral regulatory T (Treg) cells from IBD patients. Mice that specifically overexpress miR-155 in Foxp3+ Treg cells exhibit spontaneous autoimmunity and more severe dextran sulfate sodium (DSS)-induced intestinal injury. MiR-155 overexpression can lead to a lack of follicular Treg (Tfr) cells and central Treg (cTreg), whereas DSS treatment further depletes the Tfr cells. Furthermore, miR-155 can target the expression of CTLA-4 in cTreg and Tfr, directly inhibiting Tfr cell production and promoting enhanced germinal center (GC) B cell activation and autoantibody overproduction. This outcome may be the cause of severe intestinal injury in patients with autoimmune IBD.
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Affiliation(s)
- Gao Chao
- Department of Microsurgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Xiaoli Li
- Department of Gastroenterology, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Yahong Ji
- Department of Gastroenterology, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Ying Zhu
- Department of Gastroenterology, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Na Li
- Department of Gastroenterology, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Nana Zhang
- Department of Gastroenterology, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Zunyong Feng
- Department of Forensic Medicine, Wannan Medical College, Wuhu, China
| | - Min Niu
- Department of Gastroenterology, Honghui Hospital, Xi'an Jiaotong University, Xi'an, China.
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19
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Hagihara Y, Yoshimatsu Y, Mikami Y, Takada Y, Mizuno S, Kanai T. Epigenetic regulation of T helper cells and intestinal pathogenicity. Semin Immunopathol 2019; 41:379-399. [DOI: 10.1007/s00281-019-00732-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 03/05/2019] [Indexed: 02/06/2023]
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20
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Svrcek M, Borralho Nunes P, Villanacci V, Beaugerie L, Rogler G, De Hertogh G, Tripathi M, Feakins R. Clinicopathological and Molecular Specificities of Inflammatory Bowel Disease-Related Colorectal Neoplastic Lesions: The Role of Inflammation. J Crohns Colitis 2018; 12:1486-1498. [PMID: 30202940 DOI: 10.1093/ecco-jcc/jjy132] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Compared with the general population, patients with inflammatory bowel disease [IBD] have an increased risk of developing colorectal cancer. Molecular mechanisms underlying colorectal carcinogenesis in the setting of IBD are not well understood. However, modern molecular investigative tools have facilitated the identification of features that help distinguish IBD-related carcinoma from sporadic carcinoma. Moreover, with advances in endoscopic technology and improved understanding of the natural history, the management of colorectal neoplastic lesions in IBD patients has evolved. This review discusses the clinicopathological and molecular features of colorectal neoplastic lesions complicating IBD. Chronic inflammation is believed to promote the development of neoplasia, partly by producing reactive oxygen and nitrogen species [ROS and NOS], which may interact with genes involved in carcinogenetic pathways. Furthermore, alterations in microbiota and in the innate and adaptive immune responses might contribute to this process, particularly by initiating, regulating, and sustaining chronic inflammation. Earlier detection and better characterization of neoplastic colorectal lesions complicating IBD and a better knowledge of the molecular mechanisms underlying carcinogenesis in this setting should facilitate improvements in the risk stratification of patients with longstanding IBD and in the management of dysplastic and malignant colorectal lesions that arise in this setting.
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Affiliation(s)
- Magali Svrcek
- Department of Pathology, AP-HP, Hôpitaux Universitaires Est Parisien, Hôpital Saint-Antoine, Paris, France.,Sorbonne-Université, Université Pierre et Marie Curie - Paris 6, Paris, France
| | - Paula Borralho Nunes
- Faculdade de Medicina da Universidade de Lisboa, Lisbon, Portugal & Serviço de Anatomia Patológica, Hospital Cuf Descobertas, Rua Mário Botas Lisbon, Portugal
| | | | - Laurent Beaugerie
- Sorbonne-Université, Université Pierre et Marie Curie - Paris 6, Paris, France.,Department of Gastroenterology, AP-HP, Hôpitaux Universitaires Est Parisien, Hôpital Saint-Antoine, Paris, France
| | - Gerhard Rogler
- Department of Gastroenterology and Hepatology, University Hospital of Zurich, University of Zurich, Zurich, Switzerland
| | - Gert De Hertogh
- Department of Pathology, University Hospital Leuven, Leuven, Belgium
| | - Monika Tripathi
- Department of Histopathology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
| | - Roger Feakins
- Department of Cellular Pathology, Barts Health NHS Trust, London, UK
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21
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Kaina B, Izzotti A, Xu J, Christmann M, Pulliero A, Zhao X, Dobreanu M, Au WW. Inherent and toxicant-provoked reduction in DNA repair capacity: A key mechanism for personalized risk assessment, cancer prevention and intervention, and response to therapy. Int J Hyg Environ Health 2018; 221:993-1006. [PMID: 30041861 DOI: 10.1016/j.ijheh.2018.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 07/03/2018] [Accepted: 07/04/2018] [Indexed: 02/05/2023]
Abstract
Genomic investigations reveal novel evidence which indicates that genetic predisposition and inherent drug response are key factors for development of cancer and for poor response to therapy. However, mechanisms for these outcomes and interactions with environmental factors have not been well-characterized. Therefore, cancer risk, prevention, intervention and prognosis determinations have still mainly been based on population, rather than on individualized, evaluations. The objective of this review was to demonstrate that a key mechanism which contributes to the determination is inherent and/or toxicant-provoked reduction in DNA repair capacity. In addition, functional and quantitative determination of DNA repair capacity on an individual basis would dramatically change the evaluation and management of health problems from a population to a personalized basis. In this review, justifications for the scenario were delineated. Topics to be presented include assays for detection of functional DNA repair deficiency, mechanisms for DNA repair defects, toxicant-perturbed DNA repair capacity, epigenetic mechanisms (methylation and miRNA expression) for alteration of DNA repair function, and bioinformatics approach to analyze large amount of genomic data. Information from these topics has recently been and will be used for better understanding of cancer causation and of response to therapeutic interventions. Consequently, innovative genomic- and mechanism-based evidence can be increasingly used to develop more precise cancer risk assessment, and target-specific and personalized medicine.
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Affiliation(s)
| | - Alberto Izzotti
- University of Genoa, Genoa, Italy; IRCCS Policlinico San Martino Genoa, Italy
| | - Jianzhen Xu
- Shantou University Medical College, Shantou, China
| | | | | | - Xing Zhao
- Shantou University Medical College, Shantou, China
| | | | - William W Au
- Shantou University Medical College, Shantou, China; University of Medicine and Pharmacy, Tirgu Mures, Romania; University of Texas Medical Branch, Galveston, TX, USA.
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22
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Goumard C, Desbois-Mouthon C, Wendum D, Calmel C, Merabtene F, Scatton O, Praz F. Low Levels of Microsatellite Instability at Simple Repeated Sequences Commonly Occur in Human Hepatocellular Carcinoma. Cancer Genomics Proteomics 2018; 14:329-339. [PMID: 28871000 DOI: 10.21873/cgp.20043] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 07/07/2017] [Accepted: 07/12/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND/AIM The aim of this study was to assess the incidence of MSI in a large series of human hepatocellular carcinomas (HCC) with various etiologies. MATERIALS AND METHODS The MSI status was determined by polymerase chain reaction (PCR) using 5 mononucleotide and 13 CAn dinucleotide repeats. RESULTS None of the 122 HCC samples displayed an MSI-High phenotype, as defined by the presence of alterations at more than 30% of the microsatellite markers analyzed. Yet, limited microsatellite instability consisting in the insertion or deletion of a few repeat motifs was detected in 32 tumor samples (26.2%), regardless of the etiology of the underlying liver disease. MSI tended to be higher in patients with cirrhosis (p=0.051), possibly reflecting an impact of the inflammatory context in this process. CONCLUSION Based on a large series of HCC with various etiologies, our study allowed us to definitely conclude that MSI is not a hallmark of HCC.
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Affiliation(s)
- Claire Goumard
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France
| | - Christele Desbois-Mouthon
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France
| | - Dominique Wendum
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France.,APHP, Hôpital Saint-Antoine, Service d'Anatomie Pathologique, Paris, France
| | - Claire Calmel
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France
| | - Fatiha Merabtene
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France.,Plateforme d'Histomorphologie Saint-Antoine, UMS 30, Paris, France
| | - Olivier Scatton
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France.,APHP, Hôpital Saint-Antoine, Service de Chirurgie Hépatobiliaire, Paris, France
| | - Françoise Praz
- Sorbonne Universités, UPMC Univ Paris 06, INSERM, CNRS, Centre de Recherche Saint-Antoine (CRSA), Paris, France
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23
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Park EJ, Shimaoka M, Kiyono H. MicroRNA-mediated dynamic control of mucosal immunity. Int Immunol 2018; 29:157-163. [PMID: 28383678 DOI: 10.1093/intimm/dxx019] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 04/01/2017] [Indexed: 12/11/2022] Open
Abstract
The gastrointestinal tract is a complex and important physiological and immunological organ embodying the first line of defense by which mucosal immunity regulates the immense number and diversity of naturally encountered antigens and commensal microflora. Effective microRNA (miRNA) control of transcription factors or mediators in mucosal immunity is essential to host defense and homeostasis in both physiologic and pathologic states. MiRNA biology has advanced our understanding of the immune regulatory system network at the level of post-transcriptional gene modification. Increasing knowledge on circulating miRNAs could potentially enhance diagnostic techniques in inflammatory bowel disease (IBD). Furthermore, recent findings on the dynamic role of exosomes vis-à-vis the intercellular transportation of miRNAs may provide insights on the use of miRNA as a target for treating IBD.
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Affiliation(s)
- Eun Jeong Park
- Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan.,Department of Molecular Pathobiology and Cell Adhesion Biology, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu-city, Mie 514-8507, Japan
| | - Motomu Shimaoka
- Department of Molecular Pathobiology and Cell Adhesion Biology, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu-city, Mie 514-8507, Japan
| | - Hiroshi Kiyono
- Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan.,International Research and Development Center for Mucosal Vaccine, The Institute of Medical Science, The University of Tokyo, 4-6-1 Shirokanedai, Minato-ku, Tokyo 108-8639, Japan.,Department of Immunology, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-city, Chiba 260-8670, Japan
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24
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Pekow J, Meckel K, Dougherty U, Haider HI, Deng Z, Hart J, Rubin DT, Bissonnette M. Increased mucosal expression of miR-215 precedes the development of neoplasia in patients with long-standing ulcerative colitis. Oncotarget 2018; 9:20709-20720. [PMID: 29755683 PMCID: PMC5945498 DOI: 10.18632/oncotarget.25065] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Accepted: 03/21/2018] [Indexed: 12/22/2022] Open
Abstract
Identification of biological markers predicting the onset of neoplasia in patients with long-standing ulcerative colitis (UC) could allow for risk stratification in this population. In this study, we retrospectively identified subjects with chronic UC who developed colon neoplasia (n = 16) matched to UC patients who never developed neoplasia. RNA was extracted from archived colonic biopsies obtained at an interval of 1–2 years prior and 3–5 years prior to the onset of neoplasia. miRNA expression was assessed using Nanostring arrays in 12 subjects, and significantly up-regulated miRNAs were evaluated by real time pcr in the entire cohort of patients. Expression of miR-215 was also assessed in UC-associated colon cancers and compared to p53 expression. By array analysis, there were 17 significantly down-regulated and 7 significantly up-regulated miRNAs in subjects who later developed neoplasia. miR-215 was significantly up-regulated both 1–2 years prior to the onset of neoplasia (3.5-fold, p < 0.001) and 3–5 years prior to the onset of neoplasia (5.4-fold, p = 0.007). miR-215 expression was also increased in UC-associated colon cancers (5.3-fold, p = 0.03) and adjacent non-dysplastic UC tissue (6.2-fold, p = 0.02). p53 was expressed in 20% of patients prior to the onset of neoplasia and in 67% of UC-associated colon cancers, although was not correlated with miR-215 expression. Our data demonstrates that expression of miR-215 can discriminate patients who progressed to neoplasia from non-progressors as early as 5 years prior to the diagnosis of neoplasia, supporting that this and perhaps other miRNAs could serve as predictive biomarkers to risk stratify patients with chronic UC.
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Affiliation(s)
- Joel Pekow
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL, USA
| | - Katherine Meckel
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL, USA
| | - Urszula Dougherty
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL, USA
| | - Haider I Haider
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL, USA
| | - Zifeng Deng
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL, USA
| | - John Hart
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL, USA.,Department of Pathology, University of Chicago Medicine, Chicago, IL, USA
| | - David T Rubin
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL, USA
| | - Marc Bissonnette
- Section of Gastroenterology, Hepatology and Nutrition, University of Chicago Medicine, Chicago, IL, USA
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25
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Pekow J, Hutchison AL, Meckel K, Harrington K, Deng Z, Talasila N, Rubin DT, Hanauer SB, Hurst R, Umanskiy K, Fichera A, Hart J, Dinner AR, Bissonnette M. miR-4728-3p Functions as a Tumor Suppressor in Ulcerative Colitis-associated Colorectal Neoplasia Through Regulation of Focal Adhesion Signaling. Inflamm Bowel Dis 2017; 23:1328-1337. [PMID: 28594651 PMCID: PMC5535754 DOI: 10.1097/mib.0000000000001104] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
BACKGROUND As mechanisms of neoplasia in patients with ulcerative colitis (UC) remain poorly understood, we sought to identify pathways of carcinogenesis in this high-risk population. METHODS MicroRNA (miRNA) and mRNA expression was examined in nondysplastic rectosigmoid mucosa from UC patients with (n = 19) or without remote colon neoplasia (n = 23). We developed a method to identify miRNA-regulated pathways based on differentially expressed miRNAs and their putative mRNAs targets in the same samples. One key pathway identified in the analysis, miR-4728-3p regulation of focal adhesion signaling was further evaluated in vitro and through examination of expression in UC-cancers. RESULTS There were 101 significantly up-regulated and 98 down-regulated miRNAs (adjusted P < 0.05) in the rectal mucosa of UC patients harboring proximal neoplasia. Bioinformatic analysis identified miR-4728-3p as a regulator of 3 proteins involved in focal adhesion signaling, CAV1, THBS2, and COL1A2. Real-time PCR validated down-regulation of miR-4728-3p in nondysplastic tissue remote from UC-neoplasia and in UC-associated colon cancers. miR-4728-3p transfection into colon cancer cells down-regulated expression levels and decreased luciferase activities in cells expressing a wild type 3' untranslated region compared with a mutant 3' untranslated region for all 3 genes. Exogenous transfected miR-4728-3p also delayed wound healing and decreased formation of focal adhesion complexes. CONCLUSIONS Patients with long-standing UC who harbor neoplasia can be identified based on miRNA and mRNA profiles in nondysplastic tissue. Using a method to analyze miRNA and mRNA expression from the same tissues, we identified that miR-4728-3p is likely an important tumor suppressor in UC-associated colon carcinogenesis.
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Affiliation(s)
- Joel Pekow
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, IL, USA
| | | | - Katherine Meckel
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, IL, USA
| | - Kymberly Harrington
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, IL, USA
| | - Zifeng Deng
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, IL, USA
| | - Nitya Talasila
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, IL, USA
| | - David T. Rubin
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, IL, USA
| | | | - Roger Hurst
- University of Chicago, Department of Surgery
| | | | | | - John Hart
- University of Chicago Department of Pathology
| | - Aaron R. Dinner
- University of Chicago, Department of Chemistry, Chicago, IL USA
| | - Marc Bissonnette
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, IL, USA
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26
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Pekow J, Meckel K, Dougherty U, Huang Y, Chen X, Almoghrabi A, Mustafi R, Ayaloglu-Butun F, Deng Z, Haider HI, Hart J, Rubin DT, Kwon JH, Bissonnette M. miR-193a-3p is a Key Tumor Suppressor in Ulcerative Colitis-Associated Colon Cancer and Promotes Carcinogenesis through Upregulation of IL17RD. Clin Cancer Res 2017; 23:5281-5291. [PMID: 28600480 DOI: 10.1158/1078-0432.ccr-17-0171] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 05/02/2017] [Accepted: 06/05/2017] [Indexed: 12/30/2022]
Abstract
Purpose: Patients with ulcerative colitis are at increased risk for colorectal cancer, although mechanisms underlying neoplastic transformation are poorly understood. We sought to evaluate the role of microRNAs in neoplasia development in this high-risk population.Experimental Design: Tissue from 12 controls, 9 ulcerative colitis patients without neoplasia, and 11 ulcerative colitis patients with neoplasia was analyzed. miRNA array analysis was performed and select miRNAs assayed by real-time PCR on the discovery cohort and a validation cohort. DNA methylation of miR-193a was assessed. Following transfection of miR-193a-3p, proliferation, IL17RD expression, and luciferase activity of the 3'UTR of IL17RD were measured. Tumor growth in xenografts as well as EGFR signaling were assessed in HCT116 cells expressing IL17RD with either a mutant 3' untranslated region (UTR) or wild-type (WT) 3'UTR.Results: miR-31, miR-34a, miR-106b, and miR-193a-3p were significantly dysregulated in ulcerative colitis-neoplasia and adjacent tissue. Significant down-regulation of miR-193a-3p was also seen in an independent cohort of ulcerative colitis cancers. Changes in methylation of miR-193a or expression of pri-miR-193a were not observed in ulcerative colitis cancer. Transfection of miR-193a-3p resulted in decreased proliferation, and identified IL17RD as a direct target of miR-193a-3p. IL17RD expression was increased in ulcerative colitis cancers, and miR-193a-3p treatment decreased growth and EGFR signaling of HCT116 cells in xenografts expressing both IL17RD with WT 3'UTR compared with cells expressing IL17RD with mutant 3'UTR.Conclusions: miR-193a-3p is downregulated in ulcerative colitis neoplasia, and its loss promotes carcinogenesis through upregulation of IL17RD. These findings provide novel insight into inflammation-driven colorectal cancer and could suggest new therapeutic targets in this high-risk population. Clin Cancer Res; 23(17); 5281-91. ©2017 AACR.
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Affiliation(s)
- Joel Pekow
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois.
| | - Katherine Meckel
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - Urszula Dougherty
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - Yong Huang
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - Xindi Chen
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - Anas Almoghrabi
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - Reba Mustafi
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - Fatma Ayaloglu-Butun
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - Zifeng Deng
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - Haider I Haider
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - John Hart
- University of Chicago, Department of Pathology, Chicago, Illinois
| | - David T Rubin
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
| | - John H Kwon
- University of Texas Southwestern, Digestive and Liver Disease Division, Dallas, Texas
| | - Marc Bissonnette
- University of Chicago, Section of Gastroenterology, Hepatology, and Nutrition, Chicago, Illinois
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27
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Cao B, Zhou X, Ma J, Zhou W, Yang W, Fan D, Hong L. Role of MiRNAs in Inflammatory Bowel Disease. Dig Dis Sci 2017; 62:1426-1438. [PMID: 28391412 DOI: 10.1007/s10620-017-4567-1] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Accepted: 04/01/2017] [Indexed: 12/12/2022]
Abstract
Inflammatory bowel diseases (IBD), mainly including Crohn's disease and ulcerative colitis, are characterized by chronic inflammation of the gastrointestinal tract. Despite improvements in detection, drug treatment and surgery, the pathogenesis of IBD has not been clarified. A number of miRNAs have been found to be involved in the initiation, development and progression of IBD, and they may have the potential to be used as biomarkers and therapeutic targets. Here, we have summarized the recent advances about the roles of miRNAs in IBD and analyzed the contribution of miRNAs to general diagnosis, differential diagnosis and activity judgment of IBD. Furthermore, we have also elaborated the promising role of miRNAs in IBD-related cancer prevention and prognosis prediction.
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Affiliation(s)
- Bo Cao
- The First Brigade of Student, Fourth Military Medical University, Xi'an, Shaanxi Province, China
| | - Xin Zhou
- The First Brigade of Student, Fourth Military Medical University, Xi'an, Shaanxi Province, China
| | - Jiaojiao Ma
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wei Zhou
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Wanli Yang
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Daiming Fan
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China
| | - Liu Hong
- State Key Laboratory of Cancer Biology, National Clinical Research Center for Digestive Diseases, and Xijing Hospital of Digestive Diseases, Fourth Military Medical University, Xi'an, China.
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28
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Lu ZJ, Wu JJ, Jiang WL, Xiao JH, Tao KZ, Ma L, Zheng P, Wan R, Wang XP. MicroRNA-155 promotes the pathogenesis of experimental colitis by repressing SHIP-1 expression. World J Gastroenterol 2017; 23:976-985. [PMID: 28246471 PMCID: PMC5311107 DOI: 10.3748/wjg.v23.i6.976] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 11/27/2016] [Accepted: 12/19/2016] [Indexed: 02/06/2023] Open
Abstract
AIM
To explore the mechanism by which microRNA-155 (miR-155) regulates the pathogenesis of experimental colitis.
METHODS
A luciferase assay was performed to confirm the binding of miR-155 to the SHIP-1 3’-UTR. MiR-155 mimics, negative controls and SHIP-1 expression/knockdown vectors were established and then utilized in gain- and loss-of-function studies performed in raw264.7 cells and primary bone marrow-derived macrophages (BMDMs). Thereafter, dextran sulfate sodium (DSS)-induced colitis mouse model with or without antagomiR-155 treatment was established, and the levels of miR-155 and SHIP-1, as well as the pro-inflammatory capabilities, were measured by western blot, quantitative polymerase chain reaction, and immunohistochemistry.
RESULTS
MiR-155 directly bound to the 3’-UTR of SHIP-1 mRNA and induced a significant decrease in SHIP-1 expression in both raw264.7 cells and primary BMDMs. MiR-155 markedly promoted cell proliferation and pro-inflammatory secretions including IL-6, TNF-α, IL-1β, and IFN-γ, whereas these effects could be reversed by the restoration of SHIP-1 expression. In vivo studies showed that antagomiR-155 administration could alleviate DSS-induced intestinal inflammation in Balb/c mice. Moreover, significantly increased SHIP-1 expression, as well as decreased Akt activation and inflammatory response, were observed in the antagomiR-155-treated mice.
CONCLUSION
MiR-155 promotes experimental colitis by repressing SHIP-1 expression. Thus, the inhibition of miR-155 might be a promising strategy for therapy.
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MESH Headings
- 3' Untranslated Regions
- Animals
- Antagomirs/administration & dosage
- Antagomirs/therapeutic use
- Blotting, Western
- Colitis, Ulcerative/chemically induced
- Colitis, Ulcerative/drug therapy
- Colitis, Ulcerative/metabolism
- Cytokines/metabolism
- Dextran Sulfate/toxicity
- Disease Models, Animal
- Down-Regulation
- Female
- Immunohistochemistry
- Mice
- Mice, Inbred BALB C
- MicroRNAs/metabolism
- Phosphatidylinositol-3,4,5-Trisphosphate 5-Phosphatases/genetics
- Phosphatidylinositol-3,4,5-Trisphosphate 5-Phosphatases/metabolism
- Primary Cell Culture
- Proto-Oncogene Proteins c-akt/metabolism
- RAW 264.7 Cells
- RNA Interference
- RNA, Small Interfering
- Signal Transduction
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29
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Novel Implications in Molecular Diagnosis of Lynch Syndrome. Gastroenterol Res Pract 2017; 2017:2595098. [PMID: 28250766 PMCID: PMC5303590 DOI: 10.1155/2017/2595098] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 01/05/2017] [Indexed: 02/07/2023] Open
Abstract
About 10% of total colorectal cancers are associated with known Mendelian inheritance, as Familial Adenomatous Polyposis (FAP) and Lynch syndrome (LS). In these cancer types the clinical manifestations of disease are due to mutations in high-risk alleles, with a penetrance at least of 70%. The LS is associated with germline mutations in the DNA mismatch repair (MMR) genes. However, the mutation detection analysis of these genes does not always provide informative results for genetic counseling of LS patients. Very often, the molecular analysis reveals the presence of variants of unknown significance (VUSs) whose interpretation is not easy and requires the combination of different analytical strategies to get a proper assessment of their pathogenicity. In some cases, these VUSs may make a more substantial overall contribution to cancer risk than the well-assessed severe Mendelian variants. Moreover, it could also be possible that the simultaneous presence of these genetic variants in several MMR genes that behave as low risk alleles might contribute in a cooperative manner to increase the risk of hereditary cancer. In this paper, through a review of the recent literature, we have speculated a novel inheritance model in the Lynch syndrome; this could pave the way toward new diagnostic perspectives.
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30
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Lee J, Park EJ, Kiyono H. MicroRNA-orchestrated pathophysiologic control in gut homeostasis and inflammation. BMB Rep 2017; 49:263-9. [PMID: 26923304 PMCID: PMC5070705 DOI: 10.5483/bmbrep.2016.49.5.041] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Indexed: 12/14/2022] Open
Abstract
The intestine represents the largest and most elaborate immune system organ, in which dynamic and reciprocal interplay among numerous immune and epithelial cells, commensal microbiota, and external antigens contributes to establishing both homeostatic and pathologic conditions. The mechanisms that sustain gut homeostasis are pivotal in maintaining gut health in the harsh environment of the gut lumen. Intestinal epithelial cells are critical players in creating the mucosal platform for interplay between host immune cells and luminal stress inducers. Thus, knowledge of the epithelial interface between immune cells and the luminal environment is a prerequisite for a better understanding of gut homeostasis and pathophysiologies such as inflammation. In this review, we explore the importance of the epithelium in limiting or promoting gut inflammation (e.g., inflammatory bowel disease). We also introduce recent findings on how small RNAs such as microRNAs orchestrate pathophysiologic gene regulation. [BMB Reports 2016; 49(5): 263-269]
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Affiliation(s)
- Juneyoung Lee
- Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639; Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8561, Japan
| | - Eun Jeong Park
- Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639; Department of Molecular Pathobiology and Cell Adhesion Biology, Mie University Graduate School of Medicine, Mie University, Mie 514-8507, Japan
| | - Hiroshi Kiyono
- Division of Mucosal Immunology, Department of Microbiology and Immunology, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639; Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Chiba 277-8561; International Research and Development Center for Mucosal Vaccines, The Institute of Medical Science, The University of Tokyo, Tokyo 108-8639, Japan
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31
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Jaca A, Govender P, Locketz M, Naidoo R. The role of miRNA-21 and epithelial mesenchymal transition (EMT) process in colorectal cancer. J Clin Pathol 2016; 70:331-356. [PMID: 27672217 DOI: 10.1136/jclinpath-2016-204031] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Accepted: 08/26/2016] [Indexed: 12/20/2022]
Abstract
AIMS The study was conducted to assess the expression levels of epithelial mesenchymal transition (EMT) proteins (E-cadherin, N-cadherin, snail-1 and vimentin) and miRNA-21. In addition, we correlated these data with clinicopathological features in Colorectal cancer. METHODS H&E slides from a total of 59 formalin fixed paraffin embedded tissue blocks were examined by a pathologist to demarcate normal and tumour regions. Immunohistochemical analysis of mismatch repair proteins (MLH1, MSH2 and MSH6) and EMT markers (E-cadherin, N-cadherin, snail-1 and vimentin) was performed. The miRNA-21 expression levels were determined using qRT-PCR and the data was analysed using the relative quantification method. The Fisher's exact and Pearson's χ2 tests were used to correlate snail-1, E-cadherin, miRNA-21 and clinicopathological data. RESULTS Our results showed a statistically significant correlation between high miRNA-21 expression levels and E-cadherin positive cases. There was also an association between high miRNA-21 expression levels and negative snail-1 expression. No significant correlation was seen between miRNA-21 expression levels and clinicopathological features. Moreover, high expression levels of miRNA-21 were significantly associated with the sporadic cases. CONCLUSIONS Our data suggest that miRNA-21 in association with E-cadherin and snail-1 does not play a significant role in the development and progression of this disease.
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Affiliation(s)
- Anelisa Jaca
- Division of Anatomical Pathology, National Health Laboratory Service, University of Cape Town, Groote Schuur Hospital, Cape Town, Western Cape, South Africa
| | - Padmini Govender
- Division of Anatomical Pathology, National Health Laboratory Service, University of Cape Town, Groote Schuur Hospital, Cape Town, Western Cape, South Africa
| | - Michael Locketz
- Division of Anatomical Pathology, National Health Laboratory Service, University of Cape Town, Groote Schuur Hospital, Cape Town, Western Cape, South Africa
| | - Richard Naidoo
- Division of Anatomical Pathology, National Health Laboratory Service, University of Cape Town, Groote Schuur Hospital, Cape Town, Western Cape, South Africa
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32
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Slattery ML, Herrick JS, Mullany LE, Wolff E, Hoffman MD, Pellatt DF, Stevens JR, Wolff RK. Colorectal tumor molecular phenotype and miRNA: expression profiles and prognosis. Mod Pathol 2016; 29:915-27. [PMID: 27198570 PMCID: PMC4967007 DOI: 10.1038/modpathol.2016.73] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Revised: 02/29/2016] [Accepted: 03/06/2016] [Indexed: 02/08/2023]
Abstract
MiRNAs regulate gene expression by post-transcriptionally suppressing mRNA translation or by causing mRNA degradation. It has been proposed that unique miRNAs influence specific tumor molecular phenotype. In this paper, we test the hypotheses that miRNA expression differs by tumor molecular phenotype and that those differences may influence prognosis. Data come from population-based studies of colorectal cancer conducted in Utah and the Northern California Kaiser Permanente Medical Care Program. A total of 1893 carcinoma samples were run on the Agilent Human miRNA Microarray V19.0 containing 2006 miRNAs. We assessed differences in miRNA expression between TP53-mutated and non-mutated, KRAS-mutated and non-mutated, BRAF-mutated and non-mutated, CpG island methylator phenotype (CIMP) high and CIMP low, and microsatellite instability (MSI) and microsatellite stable (MSS) colon and rectal tumors. Using a Cox proportional hazard model we evaluated if those miRNAs differentially expressed by tumor phenotype influenced survival after adjusting for age, sex, and AJCC stage. There were 22 differentially expressed miRNAs for TP53-mutated colon tumors and 5 for TP53-mutated rectal tumors with a fold change of >1.49 (or <0.67). Additionally, 13 miRNAS were differentially expressed for KRAS-mutated rectal tumors, 8 differentially expressed miRNAs for colon CIMP high tumors, and 2 differentially expressed miRNAs for BRAF-mutated colon tumors. The majority of differentially expressed miRNAS were observed between MSI and MSS tumors (94 differentially expressed miRNAs for colon; 41 differentially expressed miRNAs for rectal tumors). Of these miRNAs differentially expressed between MSI and MSS tumors, the majority were downregulated. Ten of the differentially expressed miRNAs were associated with survival; after adjustment for MSI status, five miRNAS, miR-196b-5p, miR-31-5p, miR-99b-5p, miR-636, and miR-192-3p, were significantly associated with survival. In summary, it appears that the majority of miRNAs that are differentially expressed by tumor molecular phenotype are MSI tumors. However, these miRNAs appear to have minimal effect on prognosis.
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Affiliation(s)
- Martha L. Slattery
- Department of Medicine, University of Utah, 383 Colorow, Salt Lake City, Utah 84108
| | - Jennifer S. Herrick
- Department of Medicine, University of Utah, 383 Colorow, Salt Lake City, Utah 84108
| | - Lila E. Mullany
- Department of Medicine, University of Utah, 383 Colorow, Salt Lake City, Utah 84108
| | - Erica Wolff
- Department of Medicine, University of Utah, 383 Colorow, Salt Lake City, Utah 84108
| | - Michael D. Hoffman
- Department of Medicine, University of Utah, 383 Colorow, Salt Lake City, Utah 84108
| | - Daniel F. Pellatt
- Department of Medicine, University of Utah, 383 Colorow, Salt Lake City, Utah 84108
| | - John R. Stevens
- Department of Mathematics and Statistics, Utah State University, 3900 Old Main Hill, Logan UT 84322-3900
| | - Roger K. Wolff
- Department of Medicine, University of Utah, 383 Colorow, Salt Lake City, Utah 84108
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Szűcs D, Béres NJ, Rokonay R, Boros K, Borka K, Kiss Z, Arató A, Szabó AJ, Vannay &A, Sziksz E, Bereczki C, Veres G. Increased duodenal expression of miR-146a and -155 in pediatric Crohn’s disease. World J Gastroenterol 2016; 22:6027-6035. [PMID: 27468194 PMCID: PMC4948267 DOI: 10.3748/wjg.v22.i26.6027] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Revised: 06/02/2016] [Accepted: 06/15/2016] [Indexed: 02/06/2023] Open
Abstract
AIM: To evaluate the role of microRNA (miR)-146a, -155 and -122 in the duodenal mucosa of pediatric patients with Crohn’s disease (CD) and the effect of transforming growth factor-β (TGF-β) on these miRs in duodenal epithelial and fibroblast cells.
METHODS: Formalin-fixed, paraffin-embedded biopsies derived from the macroscopically inflamed (CD inflamed: n = 10) and intact (CD intact: n = 10) duodenal mucosa of pediatric CD patients and control children (C: n = 10) were examined. Expression of miR-146a, -155 and -122 was determined by real-time polymerase-chain reaction (PCR). The expression of the above miRs was investigated in recombinant human TGF-β (1 nmol/L, 24 h) or vehicle treated small intestinal epithelial cells (CCL-241) and primary duodenal fibroblast cells derived from healthy children as well.
RESULTS: Expression of miR-146a was significantly higher in the inflamed duodenal mucosa compared to the intact duodenal mucosa of children with CD (CD inflamed: 3.21 ± 0.50 vs CD intact: 0.62 ± 0.26, P≤ 0.01) and to the control group (CD inflamed: 3.21 ± 0.50 vs C: 1.00 ± 0.33, P≤ 0.05). The expression of miR-155 was significantly increased in the inflamed region of the duodenum compared to the control group (CD inflamed: 4.87 ± 1.02 vs Control: 1.00 ± 0.40, P≤ 0.001). The expression of miR-122 was unchanged in the inflamed or intact mucosa of CD patients compared to controls. TGF-β treatment significantly decreased the expression of miR-155 in small intestinal epithelial cells (TGF-β: 0.7 ± 0.083 vs Control: 1 ± 0.09, P≤ 0.05) and also the expression of miR-146a (TGF-β: 0.67 ± 0.04 vs Control: 1 ± 0.15, P≤ 0.01) and miR-155 (TGF-β: 0.72 ± 0.09 vs Control: 1 ± 0.06, P≤ 0.05) in primary duodenal fibroblasts compared to corresponding vehicle treated controls. TGF-β treatment did not influence the expression of miR-122.
CONCLUSION: The elevated expression of miR-146a and -155 in the inflamed duodenal mucosa of CD patients suggests the role of these miRs in the pathomechanism of inflammatory bowel disease. Anti-inflammatory TGF-β plays an important role in the regulation of the expression of these miRs.
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Expression and Function of miR-155 in Diseases of the Gastrointestinal Tract. Int J Mol Sci 2016; 17:ijms17050709. [PMID: 27187359 PMCID: PMC4881531 DOI: 10.3390/ijms17050709] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 04/25/2016] [Accepted: 05/03/2016] [Indexed: 12/30/2022] Open
Abstract
MicroRNAs (miRNAs) are a type of small noncoding RNA that can regulate the expression of target genes under physiological and pathophysiological conditions. miR-155 is a multifunctional miRNA with inflammation-related and oncogenic roles. In particular, the dysregulation of miR-155 has been strongly implicated in Helicobacter pylori-related gastric disease, inflammatory bowel disease, and colorectal cancer in addition to being involved in molecular changes of important targets and signaling pathways. This review focuses on the expression and function of miR-155 during inflammation and carcinogenesis and its potential use as an effective therapeutic target for certain gastrointestinal diseases.
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Mismatch Repair and Colon Cancer: Mechanisms and Therapies Explored. Trends Mol Med 2016; 22:274-289. [PMID: 26970951 DOI: 10.1016/j.molmed.2016.02.003] [Citation(s) in RCA: 121] [Impact Index Per Article: 15.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 02/16/2016] [Accepted: 02/17/2016] [Indexed: 02/06/2023]
Abstract
Colorectal cancer (CRC) remains one of the most prevalent cancers worldwide. In sporadic CRC, mutations frequently occur in the DNA mismatch repair (MMR) pathway. In addition, germline MMR mutations have been linked to Lynch syndrome, the most common form of hereditary CRC. Although genetic mutations, diet, inflammation, and the gut microbiota can influence CRC, it is unclear how MMR deficiency relates to these factors to modulate disease. In this review, the association of MMR to the etiology of CRC is examined, particularly in the context of microRNAs (miRNAs), inflammation, and the microbiome. We also discuss the most current targeted therapies, methods of prevention, and molecular biomarkers against MMR-deficient CRC, all of which are encouraging advancements in the field.
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Cekaite L, Eide PW, Lind GE, Skotheim RI, Lothe RA. MicroRNAs as growth regulators, their function and biomarker status in colorectal cancer. Oncotarget 2016; 7:6476-505. [PMID: 26623728 PMCID: PMC4872728 DOI: 10.18632/oncotarget.6390] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 11/16/2015] [Indexed: 02/07/2023] Open
Abstract
Gene expression is in part regulated by microRNAs (miRNAs). This review summarizes the current knowledge of miRNAs in colorectal cancer (CRC); their role as growth regulators, the mechanisms that regulate the miRNAs themselves and the potential of miRNAs as biomarkers. Although thousands of tissue samples and bodily fluids from CRC patients have been investigated for biomarker potential of miRNAs (>160 papers presented in a comprehensive tables), none single miRNA nor miRNA expression signatures are in clinical use for this disease. More than 500 miRNA-target pairs have been identified in CRC and we discuss how these regulatory nodes interconnect and affect signaling pathways in CRC progression.
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Affiliation(s)
- Lina Cekaite
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- K.G.Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Oslo, Norway
| | - Peter W. Eide
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- K.G.Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Oslo, Norway
| | - Guro E. Lind
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- K.G.Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Oslo, Norway
| | - Rolf I. Skotheim
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- K.G.Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Oslo, Norway
| | - Ragnhild A. Lothe
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Oslo, Norway
- K.G.Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Oslo, Norway
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37
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Wan YC, Li T, Han YD, Zhang HY, Lin H, Zhang B. MicroRNA-155 enhances the activation of Wnt/β-catenin signaling in colorectal carcinoma by suppressing HMG-box transcription factor 1. Mol Med Rep 2016; 13:2221-8. [PMID: 26780942 DOI: 10.3892/mmr.2016.4788] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Accepted: 09/03/2015] [Indexed: 11/06/2022] Open
Abstract
Colorectal carcinoma (CRC) is a malignant solid tumor arising from the large intestine and is associated with an increasing incidence and poor prognosis. Further understanding of the molecular mechanisms underlying CRC may contribute to the development of novel effective therapeutic strategies. MicroRNAs (miRs), including miR‑155, have been reported to be associated with the etiology and biology of CRC; however, the molecular mechanisms by which miR‑155 affect CRC remain to be fully elucidated. The present study used a multidisciplinary approach, involving reverse transcription‑quantitative polymerase chain reaction, northern blotting, MTT assay, cell cycle progression analysis, immunoblotting, and animal experiments, to determine the possible targets of miR‑155 in CRC cells. miR‑155 was found to be overexpressed in CRC tissue samples, compared with paired normal colon tissue samples. In addition, the inhibition of miR‑155 induced a deceleration in CRC cell proliferation and inactivation of the Wnt/β‑catenin signaling pathway. miR‑155 suppression also reduced the growth of CRC xenografts in an animal model. HMG‑box transcription factor 1 (HBP1) was identified as a novel target of miR‑155, which mediated its effect on CRC via the Wnt/β‑catenin pathway. Furthermore, patients with CRC exhibiting higher serum levels of miR‑155 exhibited reduced survival rates. In conclusion, the present study demonstrated that miR‑155 may contribute to the progression and growth of CRC by enhancing the Wnt/β‑catenin pathway in an HBP1‑associated mechanism. Therefore, miR‑155 may be considered a promising therapeutic target for the treatment of CRC.
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Affiliation(s)
- Ying-Chun Wan
- Department of Endocrinology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Tao Li
- Department of Anesthesiology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Yang-Dong Han
- Department of Anesthesiology, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Hai-Yan Zhang
- Department of Gastrointestinal Surgery, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Hai Lin
- Department of Internal Medicines, Outpatient Department, Aviation University of Air Force, Jilin University, Changchun, Jilin 130033, P.R. China
| | - Bin Zhang
- Microscopic Examination Department, China‑Japan Union Hospital, Jilin University, Changchun, Jilin 130033, P.R. China
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McNamara KL, Aronson MD, Cohen Z. Is there a role for prophylactic colectomy in Lynch syndrome patients with inflammatory bowel disease? Int J Colorectal Dis 2016; 31:9-13. [PMID: 26412249 DOI: 10.1007/s00384-015-2398-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/19/2015] [Indexed: 02/04/2023]
Abstract
PURPOSE Lynch syndrome and chronic inflammatory bowel disease are two important risk factors for colorectal cancer. It is unclear whether Lynch syndrome patients with inflammatory bowel disease are at sufficiently increased risk for colorectal cancer to warrant prophylactic colectomy. This study aims to identify all cases of Lynch syndrome and concurrent inflammatory bowel disease in a large familial gastrointestinal cancer registry, define incidence of colorectal cancer, and characterize mismatch repair protein gene mutation status and inflammatory bowel disease-associated colorectal cancer risk factors. METHODS We retrospectively identified and collected clinical data for all cases with confirmed diagnoses of Lynch syndrome and inflammatory bowel disease in the Familial Gastrointestinal Cancer Registry at Mount Sinai Hospital in Toronto, Canada. RESULTS Twelve cases of confirmed Lynch syndrome, and concurrent inflammatory bowel disease were identified. Four cases developed colorectal cancer. An additional five cases had colectomy; one was performed for severe colitis, and four were performed for low-grade dysplasia. None of these surgical specimens contained malignancy or high-grade dysplasia. CONCLUSIONS The presentation of Lynch syndrome with inflammatory bowel disease is uncommon and not well described in the literature. This small but important series of twelve cases is the largest reported to date. In this series, patients with Lynch syndrome and concurrent inflammatory bowel disease do not appear to have sufficiently increased risk for colorectal cancer to recommend prophylactic surgery. Therefore, the decision to surgery should continue to be guided by surgical indications for each disease. Further evaluation of this important area will require multi-institutional input.
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Affiliation(s)
- Kate L McNamara
- Lunenfeld-Tanenbaum Research Institute, 60 Murray Street Box 31 Rm L6-304G, Toronto, ON, M5T3L9, Canada.
| | - Melyssa D Aronson
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Joseph and Wolf Lebovic Health Complex, L3-012, 60 Murray Street 3rd Floor, Toronto, ON, M5T3L9, Canada
| | - Zane Cohen
- Lunenfeld-Tanenbaum Research Institute, 60 Murray Street Box 31 Rm L6-304G, Toronto, ON, M5T3L9, Canada
- Zane Cohen Centre for Digestive Diseases, Mount Sinai Hospital, Joseph and Wolf Lebovic Health Complex, L3-012, 60 Murray Street 3rd Floor, Toronto, ON, M5T3L9, Canada
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39
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Svrcek M, Beaugerie L, Kirchgesner J, Dumont S, Muleris M, Bodo S, Dartigues P, Lascols O, Seksik P, Cosnes J, Fléjou JF, Duval A. Azathioprine May Not be Associated With Development of Colorectal Tumors With Microsatellite Instability in Patients With Inflammatory Bowel Disease. Am J Gastroenterol 2016; 111:149-51. [PMID: 26785668 DOI: 10.1038/ajg.2015.406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Magali Svrcek
- Centre de Recherche Saint-Antoine, Equipe "Instabilité des Microsatellites et Cancers", Equipe labellisée par la Ligue Nationale contre le Cancer, INSERM, UMR S 938, Paris, France.,Université Pierre et Marie Curie, Paris, France.,Service d'Anatomie et Cytologie Pathologiques, Hôpital Saint-Antoine, AP-HP, Hôpitaux Universitaires Est Parisien, Paris, France
| | - Laurent Beaugerie
- Université Pierre et Marie Curie, Paris, France.,Service de Gastroentérologie et Nutrition, Hôpital Saint-Antoine, AP-HP, Hôpitaux Universitaires Est Parisien, Paris, France
| | - Julien Kirchgesner
- Université Pierre et Marie Curie, Paris, France.,Service de Gastroentérologie et Nutrition, Hôpital Saint-Antoine, AP-HP, Hôpitaux Universitaires Est Parisien, Paris, France
| | | | - Martine Muleris
- Centre de Recherche Saint-Antoine, Equipe "Instabilité des Microsatellites et Cancers", Equipe labellisée par la Ligue Nationale contre le Cancer, INSERM, UMR S 938, Paris, France.,Université Pierre et Marie Curie, Paris, France
| | - Sahra Bodo
- Centre de Recherche Saint-Antoine, Equipe "Instabilité des Microsatellites et Cancers", Equipe labellisée par la Ligue Nationale contre le Cancer, INSERM, UMR S 938, Paris, France.,Université Pierre et Marie Curie, Paris, France
| | - Peggy Dartigues
- Service d'Anatomie et Cytologie Pathologiques, Institut Gustave Roussy, Villejuif, France
| | - Olivier Lascols
- Université Pierre et Marie Curie, Paris, France.,Service de Biochimie, Hôpital Saint-Antoine, AP-HP, Hôpitaux Universitaires Est Parisien, Paris, France
| | - Philippe Seksik
- Université Pierre et Marie Curie, Paris, France.,Service de Gastroentérologie et Nutrition, Hôpital Saint-Antoine, AP-HP, Hôpitaux Universitaires Est Parisien, Paris, France
| | - Jacques Cosnes
- Université Pierre et Marie Curie, Paris, France.,Service de Gastroentérologie et Nutrition, Hôpital Saint-Antoine, AP-HP, Hôpitaux Universitaires Est Parisien, Paris, France
| | - Jean-François Fléjou
- Centre de Recherche Saint-Antoine, Equipe "Instabilité des Microsatellites et Cancers", Equipe labellisée par la Ligue Nationale contre le Cancer, INSERM, UMR S 938, Paris, France.,Université Pierre et Marie Curie, Paris, France.,Service d'Anatomie et Cytologie Pathologiques, Hôpital Saint-Antoine, AP-HP, Hôpitaux Universitaires Est Parisien, Paris, France
| | - Alex Duval
- Centre de Recherche Saint-Antoine, Equipe "Instabilité des Microsatellites et Cancers", Equipe labellisée par la Ligue Nationale contre le Cancer, INSERM, UMR S 938, Paris, France.,Université Pierre et Marie Curie, Paris, France
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40
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Tulay P, Naja RP, Cascales-Roman O, Doshi A, Serhal P, SenGupta SB. Investigation of microRNA expression and DNA repair gene transcripts in human oocytes and blastocysts. J Assist Reprod Genet 2015; 32:1757-64. [PMID: 26438643 DOI: 10.1007/s10815-015-0585-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Accepted: 09/23/2015] [Indexed: 12/13/2022] Open
Abstract
PURPOSE The aim of the study is to investigate the regulation of DNA repair genes by microRNAs (miRNAs). miRNAs are short non-coding RNAs that regulate transcriptional and post-transcriptional gene silencing. Several miRNAs that are expressed during preimplantation embryo development have been shown or are predicted to target genes that regulate cell cycle checkpoints and DNA repair in response to DNA damage. METHODS This study compares the expression level of 20 miRNAs and 9 target transcripts involved in DNA repair. The statistical significance of differential miRNA expression between oocytes and blastocysts was determined by t test analysis using the GraphPad Prism v6 software. The possible regulatory roles of miRNAs on their target messenger RNAs (mRNAs) were analysed using a Pearson correlation test. RESULTS This study shows for the first time that several miRNAs are expressed in human oocytes and blastocysts that target key genes involved in DNA repair and cell cycle checkpoints. Blastocysts exhibited statistically significant lower expression levels for the majority of miRNAs compared to oocytes (p < 0.05). Correlation analyses showed that there was both inverse and direct association between miRNAs and their target mRNAs. CONCLUSIONS miRNAs target many mRNAs including ones involved in DNA repair mechanisms. This study suggests that miRNAs and their target mRNAs involved in DNA repair are expressed in preimplantation embryos. Similar to the miRNAs expressed in adult tissues, these miRNAs seem to have regulatory roles on their target DNA repair mRNAs during preimplantation embryo development.
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Affiliation(s)
- P Tulay
- Faculty of Medicine, Medical Genetics Department, Near East University, Yakin Dogu Bulvari, Nicosia, Cyprus. .,UCL Centre for PGD, Institute for Women's Health, University College London, London, UK.
| | - R P Naja
- UCL Centre for PGD, Institute for Women's Health, University College London, London, UK
| | - O Cascales-Roman
- UCL Centre for PGD, Institute for Women's Health, University College London, London, UK
| | - A Doshi
- The Centre for Reproductive and Genetic Health, University College Hospital, The New Wing Eastman Dental Hospital, London, UK
| | - P Serhal
- The Centre for Reproductive and Genetic Health, University College Hospital, The New Wing Eastman Dental Hospital, London, UK
| | - S B SenGupta
- UCL Centre for PGD, Institute for Women's Health, University College London, London, UK
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41
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Yashiro M. Molecular Alterations of Colorectal Cancer with Inflammatory Bowel Disease. Dig Dis Sci 2015; 60:2251-63. [PMID: 25840920 DOI: 10.1007/s10620-015-3646-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Accepted: 03/26/2015] [Indexed: 12/18/2022]
Abstract
Inflammatory bowel disease (IBD) is an important etiologic factor in the development of colorectal cancer (CRC). The risk of CRC begins to increase 8 or 10 years after the diagnosis of IBD. This type of cancer is called colitis-associated CRC (CA-CRC). The molecular pathogenesis of inflammatory epithelium might play a critical role in the development of CA-CRC. Genetic alterations detected in CA-CRC such as genetic mutations, microsatellite instability, and DNA hypermethylation are also recognized in sporadic CRC; however, there are differences in the timing and frequency of molecular events between CA-CRC and sporadic CRC. Interaction between gene-environmental factors, including inflammation, lifestyle, psychological stress, and prior appendectomy, might be associated with the etiopathology of IBD. The mucosal inflammatory mediators, such as oxidant stress, free radicals, and chemokines, may cause the genetic alterations. Understanding the molecular mechanisms of CA-CRC might be important to develop clinical efficacies for patients with IBD. This review discusses the molecular characteristics of CA-CRC, especially ulcerative colitis-associated CRC, including clinical features, signaling pathways, and interactions between genetic alterations and environment involved in inflammatory carcinogenesis.
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Affiliation(s)
- Masakazu Yashiro
- Department of Surgical Oncology, Oncology Institute of Geriatrics and Medical Science, Osaka City University Graduate School of Medicine, 1-4-3 Asahi-machi, Abeno-ku, Osaka, 545-8585, Japan,
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Choi B, Kim HA, Suh CH, Byun HO, Jung JY, Sohn S. The relevance of miRNA-21 in HSV-induced inflammation in a mouse model. Int J Mol Sci 2015; 16:7413-27. [PMID: 25849652 PMCID: PMC4425025 DOI: 10.3390/ijms16047413] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2014] [Revised: 03/26/2015] [Accepted: 03/30/2015] [Indexed: 12/20/2022] Open
Abstract
The purpose of this study was to clarify the correlation between microRNA-21 (miR-21) expression and inflammation in a herpes simplex virus (HSV)-induced Behçet’s Disease (BD) mouse model. miR-21 was compared between BD patients and healthy controls in peripheral blood mononuclear cells (PBMC). For miR-21 inhibition, miR-21 antagomir was applied to BD mice. The change of symptoms was monitored. The levels of cytokines and related molecules were determined by ELISA and real time qPCR. Treatment with colchicine or pentoxifylline down-regulated the level of miR-21 with improved symptoms in mice. miR-21 inhibition was accompanied by down-regulated serum levels of IL-17 and IL-6. The expression levels of PDCD4, RhoB, PD-1, IL-12p35, and toll-like receptor-4 were also regulated by miR-21 inhibition. miR-21 was correlated with HSV-induced BD-like inflammation in mice and BD patients. The expression of miR-21 was regulated by antagomir in mice.
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Affiliation(s)
- Bunsoon Choi
- Department of Microbiology, Ajou University School of Medicine, Suwon 443-380, Korea.
| | - Hyoun-Ah Kim
- Department of Rheumatology, Ajou University School of Medicine, Suwon 443-380, Korea.
| | - Chang-Hee Suh
- Department of Rheumatology, Ajou University School of Medicine, Suwon 443-380, Korea.
| | - Hae Ok Byun
- Department of Microbiology, Ajou University School of Medicine, Suwon 443-380, Korea.
| | - Ju-Yang Jung
- Department of Rheumatology, Ajou University School of Medicine, Suwon 443-380, Korea.
| | - Seonghyang Sohn
- Department of Microbiology, Ajou University School of Medicine, Suwon 443-380, Korea.
- Department of Biomedical Sciences, Graduate School of Ajou University, Suwon 443-380, Korea.
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43
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Yashiro M. Ulcerative colitis-associated colorectal cancer. World J Gastroenterol 2014; 20:16389-16397. [PMID: 25469007 PMCID: PMC4248182 DOI: 10.3748/wjg.v20.i44.16389] [Citation(s) in RCA: 166] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Revised: 09/02/2014] [Accepted: 10/15/2014] [Indexed: 02/06/2023] Open
Abstract
The association between ulcerative colitis (UC) and colorectal cancer (CRC) has been acknowledged. One of the most serious and life threatening consequences of UC is the development of CRC (UC-CRC). UC-CRC patients are younger, more frequently have multiple cancerous lesions, and histologically show mucinous or signet ring cell carcinomas. The risk of CRC begins to increase 8 or 10 years after the diagnosis of UC. Risk factors for CRC with UC patients include young age at diagnosis, longer duration, greater anatomical extent of colonic involvement, the degree of inflammation, family history of CRC, and presence of primary sclerosing cholangitis. CRC on the ground of UC develop from non-dysplastic mucosa to indefinite dysplasia, low-grade dysplasia, high-grade dysplasia and finally to invasive adenocarcinoma. Colonoscopy surveillance programs are recommended to reduce the risk of CRC and mortality in UC. Genetic alterations might play a role in the development of UC-CRC. 5-aminosalicylates might represent a favorable therapeutic option for chemoprevention of CRC.
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44
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Stachurska A, Zorro MM, van der Sijde MR, Withoff S. Small and Long Regulatory RNAs in the Immune System and Immune Diseases. Front Immunol 2014; 5:513. [PMID: 25368617 PMCID: PMC4202709 DOI: 10.3389/fimmu.2014.00513] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Accepted: 10/02/2014] [Indexed: 12/14/2022] Open
Abstract
Cellular differentiation is regulated on the level of gene expression, and it is known that dysregulation of gene expression can lead to deficiencies in differentiation that contribute to a variety of diseases, particularly of the immune system. Until recently, it was thought that the dysregulation was governed by changes in the binding or activity of a class of proteins called transcription factors. However, the discovery of micro-RNAs and recent descriptions of long non-coding RNAs (lncRNAs) have given enormous momentum to a whole new field of biology: the regulatory RNAs. In this review, we describe these two classes of regulatory RNAs and summarize what is known about how they regulate aspects of the adaptive and innate immune systems. Finally, we describe what is known about the involvement of micro-RNAs and lncRNAs in three different autoimmune diseases (celiac disease, inflammatory bowel disease, and multiple sclerosis).
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Affiliation(s)
- Anna Stachurska
- Department of Genetics, University Medical Center Groningen, University of Groningen , Groningen , Netherlands
| | - Maria M Zorro
- Department of Genetics, University Medical Center Groningen, University of Groningen , Groningen , Netherlands
| | - Marijke R van der Sijde
- Department of Genetics, University Medical Center Groningen, University of Groningen , Groningen , Netherlands
| | - Sebo Withoff
- Department of Genetics, University Medical Center Groningen, University of Groningen , Groningen , Netherlands
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Abstract
BACKGROUND MicroRNAs (miRNAs) are important posttranscriptional regulators of gene expression. The precise role of miRNAs in ulcerative colitis (UC) is not completely understood. The purpose of this study was to identify miRNAs that are induced in patients with active UC and to assess the effect of miR-155 on improving intestinal inflammation. METHODS The miRNA profiles in patients with active UC (n = 20) and healthy subjects (n = 16) were examined using miRNA microarrays. miR-155 upregulation was confirmed by quantitative RT-PCR. Regulation of the target gene FOXO3a expression by miR-155 was assessed using luciferase reporter construct assays and miR-155 mimic or inhibitor transfections. The effects of FOXO3a or miR-155 on IκBα or IL-8 were detected by Western blot or enzyme-linked immunosorbent assay in HT29 cells, respectively. RESULTS We identified 68 miRNAs that were differentially expressed (33 upregulated and 35 downregulated) in patients with active UC compared with healthy controls. One of the upregulated miRNAs in the UC tissue was miR-155 (1.22-fold, P < 0.03), which plays a key role in the regulation of inflammatory pathways. In patients with active UC, miR-155 was significantly upregulated, and the expression of FOXO3a dramatically decreased. Luciferase reporter assays demonstrated that miR-155 directly targets FOXO3a and affects the protein expression of FOXO3a in HT29 cells. Moreover, silenced FOXO3a and the overexpression of miR-155 increased the levels of IL-8 in TNF-α-treated HT29 cells by suppressing the inhibitory IκBα. CONCLUSIONS miR-155 appears to play a role in the intestinal inflammation of patients with active UC by downregulating the expression of FOXO3a. This process may activate the nuclear factor kappa B signaling pathway.
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46
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Ni YH, Huang XF, Wang ZY, Han W, Deng RZ, Mou YB, Ding L, Hou YY, Hu QG. Upregulation of a potential prognostic biomarker, miR-155, enhances cell proliferation in patients with oral squamous cell carcinoma. Oral Surg Oral Med Oral Pathol Oral Radiol 2013; 117:227-33. [PMID: 24439918 DOI: 10.1016/j.oooo.2013.10.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2013] [Revised: 10/17/2013] [Accepted: 10/24/2013] [Indexed: 10/26/2022]
Abstract
OBJECTIVE We sought to investigate the role and diagnostic value of microRNA 155 (miR-155) in OSCC patients. STUDY DESIGN Using real-time quantitative polymerase chain reaction analysis, miR-155 expression levels were assessed in OSCC cell lines and a cancerous HB cell line. The correlation between miR-155 expression level and clinical parameters was analyzed in 46 patients with OSCC. In addition, the effects of miR-155 on OSCC cell proliferation were evaluated by modulating its expression using an miR-155 mimic and antisense miR-155. RESULTS Significant upregulation of miR-155 was found in OSCC cell lines and in tissues of patients with OSCC. The receiver operator characteristic analysis indicated fair-to-good predictability. Overexpression of miR-155 correlated with the histologic grade (P = .033), and the upregulation of miR-155 enhanced OSCC cell proliferation. CONCLUSIONS In OSSC, upregulation of miR-155 correlated with the histologic grade and can be used as a potential prognostic biomarker.
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Affiliation(s)
- Yan-Hong Ni
- Central Laboratory of Stomatology, Institute and Hospital of Stomatology, Nanjing University Medical School, Nanjing Stomatological Hospital, Nanjing, China; State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Nanjing University Medical School, Nanjing, China
| | - Xiao-Feng Huang
- Central Laboratory of Stomatology, Institute and Hospital of Stomatology, Nanjing University Medical School, Nanjing Stomatological Hospital, Nanjing, China
| | - Zhi-Yong Wang
- Department of Oral and Maxillofacial Surgery, Institute and Hospital of Stomatology, Nanjing University Medical School, Nanjing Stomatological Hospital, Nanjing, China
| | - Wei Han
- Central Laboratory of Stomatology, Institute and Hospital of Stomatology, Nanjing University Medical School, Nanjing Stomatological Hospital, Nanjing, China; Department of Oral and Maxillofacial Surgery, Institute and Hospital of Stomatology, Nanjing University Medical School, Nanjing Stomatological Hospital, Nanjing, China
| | - Run-Zhi Deng
- Department of Oral and Maxillofacial Surgery, Institute and Hospital of Stomatology, Nanjing University Medical School, Nanjing Stomatological Hospital, Nanjing, China
| | - Yong-Bin Mou
- Department of Oral and Maxillofacial Surgery, Institute and Hospital of Stomatology, Nanjing University Medical School, Nanjing Stomatological Hospital, Nanjing, China
| | - Liang Ding
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Nanjing University Medical School, Nanjing, China
| | - Ya-Yi Hou
- State Key Laboratory of Pharmaceutical Biotechnology, Division of Immunology, Nanjing University Medical School, Nanjing, China.
| | - Qin-Gang Hu
- Department of Oral and Maxillofacial Surgery, Institute and Hospital of Stomatology, Nanjing University Medical School, Nanjing Stomatological Hospital, Nanjing, China.
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